CSN Washington
"After Wednesday's 101-82 victory vs. the Cleveland Cavaliers closed out the preseason the Wizards hadn't made their roster moves official to get down to 15 players.
But CSN Washington was told to expect them to release unsigned free agents Pops Mensah-Bonsu Xavier Silas and Josh Childress...."
October 24

Hoops Rumors
"The Wizards announce that they’ve also waived Childress and Mensah-Bonsu in addition to Silas (Jeff Zillgitt of USA Today via Twitter). The roster now stands at 15.
4:46pm: While the news has yet to be confirmed by the team Xavier Silas has been released by the Wizards according to an update on..."
October 24